Finding the Fourth Proportional to 142,053.38, 212,930.27 and 47,258.17

Step by Step Solution

1. Step 1: Write the proportion equation
   142,053.38 : 212,930.27 = 47,258.17 : x
2. Step 2: Convert to fraction form
   142,053.38/212,930.27 = 47,258.17/x
3. Step 3: Cross multiply
   142,053.38x = 212,930.27 × 47,258.17
4. Step 4: Simplify right side
   142,053.38x = 10,062,693,596.86
5. Step 5: Solve for x
   x = 10,062,693,596.86/142,053.38
6. Step 6: Final answer
   x = 70,837.41